Born in Vienna on 14 June 1851 the son of Adalbert Fuchs, professor of agriculture at the Technische Hochschule, Vienna. He was educated at Vienna under Billroth and Brücke, and was afterwards assistant in the Physiological Institute at Innsbruck. He was assistant to Arlt in the Ophthalmological Clinic at Vienna from 1876 to 1880, and in the latter year was appointed professor of ophthalmology at Liège. In 1885 he succeeded Jaeger as professor of ophthalmology and director of the Second Eye Clinic at Vienna; from this position he retired in 1915. He died on 21 November 1930, survived by his son Adalbert, professor in the Medical Faculty of the University of Vienna. Fuchs was a man of great personal charm and culture. He spoke English, French, Italian, and Spanish fluently. He was an alpinist and had travelled in Europe, America, Africa, and Asia. In 1921 his numerous friends presented him with a Festschrift on the attainment of his seventieth birthday. It appears in the *Archiv für Ophthalmologie*, vol 105. His *Lehrbuch der Augenheilkunde*, first published in 1889, was long a standard textbook.